Dave I removed the exclusion on the port range previously in
place (per trouble shooting section on this site) to try and
isolate the issue from a possible hardware conflict with another device.

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From my original post . . .
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"I have forced a change in io port and IRQ to see if that was
an issue as recommended by changing config.opts . . . no
change."
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After removing those changes Jochen's binary now works, but I
imagine my own compile of his source would work now as well.

Thanks to you both.

-matthew

PS I was getting ready to purchase a 3com 3c575 off ebay as
cowboyneal reported that working flawlessly for him . . . ;-)